Grotte di Mont-ral

Mont-ral, a municipality in Alt Camp, contains 82 catalogued cavities: 51 pits and 31 caves. The total length amounts to 4685 metres and the maximum depth reached is 79 metres. The lithologies present include Limestone (51), Dolomite (26), Travertine (4) and Gypsum (1).

The longest system is the Coves del Masiet, with 521 metres of passage excavated in gypsum and a total elevation difference of 48.40 metres (+15.80/-33), distributed across three sectors: Masiet Vell, Sector Central or de la doline and Masiet Nou. Other cavities notable for their length are the Avenc Desencadenat (267 m), the Cova de Mont-ral (232 m), the Avenc Mr-1 (192 m) and the Cova de la Moneda (165 m).

As for depth, the Avenc Desencadenat reaches 79 metres in the serra del Masiet, explored in 2021 by Juli Serrano and Montse Roca (SIE-CEA). It is followed by the Avenc de l'Espanyol (55 m), the Coves del Masiet (48 m), the Avenc Sílvia (43 m) and the Avenc de Roca d'abella (41 m), the latter in Farena, in the Muntanyes de Prades.